package com.xxa.github.wxpay.sdk;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@Component
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession();
        Object uname = session.getAttribute("uname");
        if (null != uname) {
            return true;
        }
        request.setAttribute("msg", "请登录");
        request.getRequestDispatcher("/WEB-INF/views/login.jsp").forward(request, response);
        return false;
    }
}